Finding the Fourth Proportional to 713,351,497.20, 1,069,019,476.20 and 527,669,948.40
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Solution
The fourth proportional to 713,351,497.20, 1,069,019,476.20 and 527,669,948.40 is: 790,759,469.99
Step by Step Solution
- Step 1: Write the proportion equation
713,351,497.20 : 1,069,019,476.20 = 527,669,948.40 : x - Step 2: Convert to fraction form
713,351,497.20/1,069,019,476.20 = 527,669,948.40/x - Step 3: Cross multiply
713,351,497.20x = 1,069,019,476.20 × 527,669,948.40 - Step 4: Simplify right side
713,351,497.20x = 564,089,451,845,049,024 - Step 5: Solve for x
x = 564,089,451,845,049,024/713,351,497.20 - Step 6: Final answer
x = 790,759,469.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.